Full reference: K. Y. Eskov and S. Zonshtein. 1990. First Mesozoic mygalomorph spiders from the Lower Cretaceous of Siberia and Mongolia, with notes on the system and evolution of the infraorder Mygalomorphae (Chelicerata: Araneae). Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen178:325-368